-53.7% is the change from 324 to 150
Calculation steps:
[( 150 - 324 ) ÷ 324] x 100 = -53.7%
Formula
Percentage change = [(150 - 324) / 324] x 100
Subtract the new number by the original number
150 - 324 = -174
-174 ÷ 324 = -0.5370370370370371
-0.5370370370370371 x 100 = -53.7%